Yes, the word 'covered' is the past participle, past tense of the verb to 'cover', an action verb.
No, "covered" is not a preposition. It is a verb that describes an action of placing or providing cover over something.
It is an action verb.
began is an action verb, not a linking verb.
action verb because you did this action (sent)
The word "reach" can function as both a verb and a noun. As a verb, it indicates the action of extending or stretching out. As a noun, it refers to the extent or distance that can be covered by stretching or extending.
what follows a linking or action verb
An action verb
Action verb
It is an action verb.
Action verb
action verb
The verb stay is an action verb.